This architectural drawing is the Longitudinal section of the staircase design in AutoCAD 2D drawing, CAD file, and dwg file. REINFORCEMENTS Nº3 c/18cm, REINFORCEMENTS Nº4 c/10cm, 2 REINFORCEMENTS Nº4, 3 REINFORCEMENTS Nº4 are mentioned in this drawing. For more detailed information visit our pages and Download the 2D Autocad DWG file.